No, but you can have a high post count and low activity.
No, you need to make posts for the activity to go up.
Thanks for clarifying.
You can find deets of the activity and member groups here: https://bitcointalksearch.org/topic/forum-rankspositionsbadges-what-do-those-shiny-coins-under-my-name-mean-178608
time = number of two-week periods in which you've posted since your registration
activity = min(time * 14, posts)
Activity is updated every 30 minutes.
Thanks guys. I would have just displayed the total of people's posts, myself, it's less complicated.
Never got into mining myself seri because they reduced the mining pay-outs. Some people collaborate which reduces the pay-out per person even more.